EP3388596B1 - Formwork case - Google Patents

Formwork case Download PDF

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Publication number
EP3388596B1
EP3388596B1 EP17160706.2A EP17160706A EP3388596B1 EP 3388596 B1 EP3388596 B1 EP 3388596B1 EP 17160706 A EP17160706 A EP 17160706A EP 3388596 B1 EP3388596 B1 EP 3388596B1
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EP
European Patent Office
Prior art keywords
formwork
housing
mat
box
openings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17160706.2A
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German (de)
French (fr)
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EP3388596A1 (en
Inventor
Oliver Schwarz
Peter Heer
Erasmo Porfido
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Georg Fischer JRG AG
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Georg Fischer JRG AG
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Application filed by Georg Fischer JRG AG filed Critical Georg Fischer JRG AG
Priority to EP17160706.2A priority Critical patent/EP3388596B1/en
Publication of EP3388596A1 publication Critical patent/EP3388596A1/en
Application granted granted Critical
Publication of EP3388596B1 publication Critical patent/EP3388596B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
    • E04G15/061—Non-reusable forms
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/081—Bases, casings or covers
    • H02G3/083—Inlets
    • H02G3/085—Inlets including knock-out or tear-out sections

Definitions

  • the invention relates to a formwork box for fastening to a formwork panel in order to provide a recess in walls or ceilings to be concreted, comprising a formwork housing, the formwork housing having pipe guide channels, the pipe guide channels serving to guide the inserted protective tubes, the formwork housing having an entry side and a end side and is preferably formed in one piece, the inlet side having inlet openings for introducing the protective tubes.
  • the EP 2 194 212 A1 discloses a formwork box of this type in which the protective tubes are fixed in the rear area of the formwork box by locking means.
  • the DE 37 06 936 A1 also discloses a formwork box with several inlet openings for connecting protective tubes, the insertion openings being available in different diameters on the formwork box in order to be able to connect the differently dimensioned pipes.
  • the insertion openings are closed by closure disks, the closure disks being arranged integrally on the entry side and the formwork housing being formed in one piece with the closure disks arranged on the entry side, the entry openings sealing rosettes to ensure the tightness between the formwork housing and the inserted one Have protective tube. Further features according to the invention are specified in claim 1.
  • the formwork box according to the invention for fastening to a formwork panel in order to provide a recess in walls or ceilings to be concreted including a formwork housing, the formwork housing having pipe guide channels.
  • the pipe guide channels serve to guide the inserted protective pipes, preferably they run parallel.
  • the pipe guide channels are staggered on two levels.
  • the formwork housing has an entry side on the front side and a closing side on the opposite side.
  • the formwork housing is made in one piece and, in addition to the entry and exit side, also includes an upper side which preferably corresponds to the outer contour of the protective tubes and is of an arcuate shape, with a flat course of the surface also being conceivable.
  • the formwork housing is formed in one piece with closure disks arranged on the inlet side, the closure disks being arranged in the inlet openings. This is preferably achieved by means of connecting webs between the inlet openings and the closure disks.
  • a sealing rosette is arranged in the inlet opening. This is preferably made of a soft plastic, which clings to the outer diameter of the protective tube to ensure tightness.
  • the inlet openings and the closure disks preferably all have the same diameter.
  • the entry side of the formwork housing has an all-round frame.
  • the frame is also preferably arranged integrally on the formwork housing or the formwork housing is formed in one piece with the frame.
  • the frame is used for the precise alignment or positioning of the sealing plate assembly, since it is positively surrounded by the frame and rests on the entry side of the formwork housing.
  • the invention as defined in claim 1, is also characterized in that the sealing plate assembly has a soft sealing mat and a hard cover mat, the soft sealing mat being arranged between the entry side of the formwork housing and the hard cover mat when the sealing plate assembly is installed. It has proven to be advantageous if the soft sealing mat has an all-round ridge by means of which the cover mat is aligned or positioned on the sealing mat, or the soft sealing mat lies in a form-fitting manner, preferably by means of a correspondingly angled geometry of the sealing mat, around the cover mat.
  • the soft sealing mat is preferably made of TPE and the hard cover mat made of PP, as a result of which there is a slight adhesive effect or a chemical between the two mats. Adhesion achieved whereby other material combinations are also possible.
  • the soft sealing mat and the hard cover mat have openings which are concentric with the inlet openings on the inlet side, the sealing rosettes being arranged in the soft sealing mat when a sealing disk is pierced and a protective tube is inserted.
  • This has the advantage that a separate sealing washer does not have to be arranged around each individual insertion opening, but only a sealing mat with the openings provided therein, as well as the advantages of the alignment which have already been mentioned.
  • Fasteners are provided in the corresponding screws with brackets for fastening distributors to the formwork box or in the formwork housing can be screwed in. Since there are screws of different dimensions, the fasteners in the formwork housing are also designed for different diameters.
  • the fastening means in the formwork housing have two different diameters or inner diameters, which are preferably arranged coaxially one behind the other, but can also be aligned eccentrically to one another. This creates a kind of stepped hole into which the corresponding screws with brackets can be screwed. If the smaller-sized screws are used, the lower hole is used, if the larger-sized holes are used, the upper hole is used.
  • end face is designed as a flat surface which has grits concentric with the pipe guide channels. Due to the flat surface and the grains arranged in it, the end side can be drilled open if required by the user or during prefabrication.
  • the drawing shown shows a formwork box 1 according to the invention for fastening to a formwork panel in order to provide a recess in walls and ceilings to be concreted.
  • the formwork box 1 has a formwork housing 2, which is preferably produced by injection molding.
  • the formwork housing 2 has an inlet side 4, an outlet side 5 and an upper side 21, the upper side 21 preferably corresponding to the contour of the protective tubes to be drawn in and thus being wavy or true to shape, a flat course of the upper side also being conceivable.
  • the protective pipes (not shown) to be drawn in are laid along the pipe guide channels 3, which extend parallel to one another in the formwork housing 2.
  • the inlet openings 9 are used Fig.
  • the inlet opening 9 is still shown closed since the closure disk 8 is still arranged in the inlet opening 9 since it is only pushed out when a protective tube is to be connected, otherwise the closure disk 8 remains in the inlet opening 9.
  • the closure disk 8 is arranged integrally on the inlet side 4 , that is, it is formed directly in the inlet opening 9 or connected by means of connecting webs 11 to the inside diameter of the inlet opening 9 and ultimately to the formwork housing 2. Of course, this applies to all closure disks 8 which are arranged on the inlet side 4 or in the inlet openings 9.
  • the integral connection of the closure disk 8 with the inner diameter of the inlet opening 9 is preferably released via connecting webs 11, as already mentioned.
  • Regularly arranged connecting webs 11 are preferably arranged around the outer circumference of the closing disks 8, which are connected to the inner diameter of the inlet opening 9. This results in gaps 10 between the connecting webs 11, which run concentrically around the closing disk 8.
  • the number of connecting webs 11 and the width of such webs 11 is individual, the more connecting webs 11 are arranged on the closure disk 8, the more pressure or force the closure disk 8 withstands until it is pushed out.
  • the formwork housing 2 is formed in one piece with the inlet openings 9 arranged on the inlet side 4 and the closure disks 8 arranged therein.
  • the sealing plate assembly 12 On the entry side 4, the sealing plate assembly 12 is arranged, which is precisely positioned by the frame 16 on the entry side 4 and received in a form-fitting manner.
  • the sealing plate 12 is composed of a soft sealing mat 13 and a hard covering mat 14, the soft sealing mat 13 being arranged between the entry side 4 of the formwork housing 2 and the covering mat 14, or in the end position.
  • Out Fig. 4 the layers of the inlet side 4, the sealing mat 13 and the cover mat 14 can be seen at the time when the sealing disk 8 has not yet been removed.
  • the cover mat 14 can preferably have struts for reinforcement.
  • the sealing plate assembly 12 is preferably fastened to the inlet side 4 by means of snap locks.
  • nails 23 are preferably used, although other fastening means can also be used, the only important thing here is that the formwork panel can be removed when stripping without entraining the formwork panel since it remains in the concrete wall or ceiling Has.
  • the protective housing 2 has fastening means 6. These are designed as a kind of two-stage dowel. As a rule, screws with brackets are provided for fastening the distributors. Since these screws are not standardized, different screw diameters can be used, which is why the fastening means 6 is designed in two stages, that is to say that the fastening means 6 have at least two cylindrical bores arranged one after the other.
  • the upper bore in the fastening means 6 has a larger diameter and serves to accommodate larger screws for fastening distributors.
  • the deeper hole has a smaller diameter and is used to screw on smaller screws.
  • the pipe holder 7 can be seen, this serving only for pre-positioning during assembly, so that the protective pipes cannot come out of their pipe guide channels 3.
  • the position crosses 22 are designed in such a way that the pipe holder 7 serves as a transport lock and for stabilizing the assembly until after assembly on the construction site, curing and subsequent dismantling of the formwork by the user.
  • the tube holder 7 can be removed by simple manual force actuation in order to be able to carry out the connection work.
  • the positioning crosses 22, which are received in the corresponding bores on the formwork housing 2, serve for an exact and simple positioning of the pipe holder 7.
  • the positioning crosses 22 are preferably conical, which causes self-locking and the tube holder 7 does not fall off the formwork housing 2 without further action.
  • Grains 20 are arranged on the end side 5 of the formwork housing 2, which is preferably designed as a flat surface without gradations. These serve the possible provision of holes or. Openings around if necessary Pass the protective tube through the formwork box 1 to be able to easily guarantee a pressing test even before concreting.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

Die Erfindung betrifft einen Schalungskasten zur Befestigung an einer Schalungsplatte um eine Aussparung in zu betonierende Wände oder Decken vorzusehen, beinhaltend ein Schalungsgehäuse, wobei das Schalungsgehäuse Rohrführungskanäle aufweist, wobei die Rohrführungskanäle der Führung der eingeführten Schutzrohre dienen, wobei das Schalungsgehäuse eine Eintrittsseite und eine Abschlussseite aufweist und vorzugsweise einteilig ausgebildet ist, wobei die Eintrittsseite Eintrittsöffnungen zur Einführung der Schutzrohre aufweist.The invention relates to a formwork box for fastening to a formwork panel in order to provide a recess in walls or ceilings to be concreted, comprising a formwork housing, the formwork housing having pipe guide channels, the pipe guide channels serving to guide the inserted protective tubes, the formwork housing having an entry side and a end side and is preferably formed in one piece, the inlet side having inlet openings for introducing the protective tubes.

Üblicherweise werden heute flexible Wasserleitungen in Sanitärinstallationen in Schutzrohre eingezogen, die grösstenteils einbetoniert werden. Um einen Zugang zu den Schutzrohren auch nach dem Betonieren zu gewährleisten sind Schalungskästen vorzusehen. Dazu wird der Schalungskasten vor dem Betonieren auf der Verschalungsplatte fixiert, vorzugsweise durch annageln um die Schalungsplatte beim Ausschalen so entfernen zu können, dass der Schalungskasten in der betonierten Wand oder Decke verbleibt. Einerseits sind die Enden der Schutzrohre während des Betonierens am Schalungskasten befestigt und in den Rohrführungskanälen geführt und anderseits sind sie nach dem Ausschalen im Schalungskasten zugänglich und können durch Herausbiegen an Verteiler angeschlossen werden.Today, flexible water pipes in sanitary installations are usually pulled into protective pipes, which are largely concreted in. Formwork boxes must be provided to ensure access to the protective pipes even after concreting. For this purpose, the formwork box is fixed on the formwork panel before concreting, preferably by nailing it in order to be able to remove the formwork panel when stripping, so that the formwork box remains in the concrete wall or ceiling. On the one hand, the ends of the protective pipes are fastened to the formwork box during concreting and guided in the pipe guide channels, and on the other hand they are accessible after stripping in the formwork box and can be connected to manifolds by bending them out.

Die aus dem Stand der Technik bekannten Schalungskästen dienen dem Anschliessen von mehreren Schutzrohren weshalb Eintrittsöffnungen an denen kein Schutzrohr angeschlossen wird, separat durch Kappen abgedeckt werden müssen, was den Nachteil des zusätzlichen Aufwands und mehrere zusätzlicher Einzelteile, nämlich der benötigten Kappen, bedarf.The formwork boxes known from the prior art are used to connect a plurality of protective tubes, which is why inlet openings to which no protective tube is connected have to be covered separately by caps, which requires the disadvantage of additional effort and several additional individual parts, namely the required caps.

Die EP 2 194 212 A1 offenbart einen Schalungskasten dieser Art bei welchem die Schutzrohre im hinteren Bereich des Schalungskastens durch Rastmittel fixiert werden.The EP 2 194 212 A1 discloses a formwork box of this type in which the protective tubes are fixed in the rear area of the formwork box by locking means.

Die DE 43 20 648 A1 offenbart einen Schalungskasten der durch ein Kupplungsteil mit gleichen Schalungskästen erweiterbar ist.The DE 43 20 648 A1 discloses a formwork box which can be expanded by a coupling part with the same formwork boxes.

Nachteilig an den oben erwähnten Schalungskästen ist, dass sie jeweils nur für ein Schutzrohr ausgebildet sind und für das Anschliessen weiterer Schutzrohre mit identischen Kästen erweitert werden müssen was das ganze System unstabil macht und zeitaufwendig bei der Montage ist.A disadvantage of the formwork boxes mentioned above is that they are each only designed for one protective tube and must be expanded with identical boxes for connecting additional protective tubes, which makes the whole system unstable and time-consuming to assemble.

Die DE 37 06 936 A1 offenbart ebenfalls einen Schalungskasten mit mehreren Eintrittsöffnungen zum Anschliessen von Schutzrohren, wobei die Einführungsöffnungen in unterschiedlichen Durchmessern am Schalungskasten vorliegen um die unterschiedlich dimensionierten Rohrleitungen anschliessen zu können.The DE 37 06 936 A1 also discloses a formwork box with several inlet openings for connecting protective tubes, the insertion openings being available in different diameters on the formwork box in order to be able to connect the differently dimensioned pipes.

Dies hat den Nachteil, dass nur eine bestimmte Anzahl einer gewissen Grösse einer Einführungsöffnung vorliegt und man dadurch sehr begrenzt in den Möglichkeiten ist sowie auch die Positionierung der jeweiligen Durchmesser zum Anschliessen der Rohre genau vorgegeben ist. Zudem ist kein Dichtungssystem zwischen anzuschliessendem Rohr und Schalungskasten vorgesehen was das Eintreten des flüssigen Betons oder des Betonwassers ermöglichen würde.This has the disadvantage that there is only a certain number of a certain size of an insertion opening and the possibilities are very limited as a result, and the positioning of the respective diameters for connecting the tubes is precisely specified. In addition, there is no sealing system between the pipe to be connected and the formwork box, which would allow the entry of the liquid concrete or the concrete water.

Es ist Aufgabe der Erfindung einen Schalungskasten vorzuschlagen der ein Anschliessen von Schutzrohren von unterschiedlichen Durchmessern ohne Limitierung auf gewisse Durchmesser zulässt sowie, dass die Herstellung und Montage wirtschaftlich erfolgt insbesondere durch die Vermeidung von Zusatzteilen und die geforderte Dichtheit gewährleistet.It is the object of the invention to propose a formwork box which allows protective tubes of different diameters to be connected without limitation to certain diameters, and that the manufacture and assembly is carried out economically, in particular by avoiding additional parts and ensuring the required tightness.

Diese Aufgabe wird erfindungsgemäss dadurch gelöst, dass die Einführungsöffnungen durch Verschlussscheiben verschlossen sind, wobei die Verschlussscheiben integral an der Eintrittsseite angeordnet sind und das Schalungsgehäuse mit den an der Eintrittsseite angeordneten Verschlussscheiben einteilig ausgebildet ist, wobei die Eintrittsöffnungen Abdichtrosetten zur Gewährleitung der Dichtheit zwischen Schalungsgehäuse und eingeführtem Schutzrohr aufweisen. Weitere erfindungsgemäße Merkmale werden im Anspruch 1 angegeben.This object is achieved according to the invention in that the insertion openings are closed by closure disks, the closure disks being arranged integrally on the entry side and the formwork housing being formed in one piece with the closure disks arranged on the entry side, the entry openings sealing rosettes to ensure the tightness between the formwork housing and the inserted one Have protective tube. Further features according to the invention are specified in claim 1.

Der erfindungsgemässe Schalungskasten zur Befestigung an einer Schalungsplatte um eine Aussparung in zu betonierende Wände oder Decken vorzusehen, beinhaltend ein Schalungsgehäuse, wobei das Schalungsgehäuse Rohrführungskanäle aufweist. Die Rohrführungskanäle dienen dem Führen der eingelegten Schutzrohre, vorzugsweise verlaufen sie parallel. Um den Platz eines Schalungskasten bzw. die Anordnung der Schutzrohre und der entsprechenden Rohrführungskanäle optimal auszunutzen sind die Rohrführungskanäle versetzt in zwei Ebenen angeordnet.The formwork box according to the invention for fastening to a formwork panel in order to provide a recess in walls or ceilings to be concreted, including a formwork housing, the formwork housing having pipe guide channels. The pipe guide channels serve to guide the inserted protective pipes, preferably they run parallel. In order to make optimal use of the space of a formwork box or the arrangement of the protective pipes and the corresponding pipe guide channels, the pipe guide channels are staggered on two levels.

Das Schalungsgehäuse weist stirnseitig eine Eintrittsseite auf und auf der gegenüberliegenden Seite eine Abschlussseite. Das Schalungsgehäuse ist einteilig ausgebildet und beinhaltet neben der Eintritts- und Austrittsseite auch eine Oberseite die vorzugsweise der Aussenkontur der Schutzrohre entspricht und bogenförmig ausgebildet ist, wobei auch ein ebener Verlauf der Fläche denkbar ist.The formwork housing has an entry side on the front side and a closing side on the opposite side. The formwork housing is made in one piece and, in addition to the entry and exit side, also includes an upper side which preferably corresponds to the outer contour of the protective tubes and is of an arcuate shape, with a flat course of the surface also being conceivable.

Die Eintrittsseite weist zur Einführung der Schutzrohre Eintrittsöffnungen auf. Die Einführungsöffnungen sind durch Verschlussscheiben verschlossen um das Eintreten von flüssigem Beton zu verhindern wenn kein Schutzrohr an die entsprechende Einführungsöffnung angeschlossen wird. Die Verschlussscheiben sind integral an der Eintrittsseite bzw. in der Einführungsöffnung angeordnet.The entry side has entry openings for the introduction of the protective tubes. The entry openings are closed by sealing washers to prevent the entry of liquid concrete if no protective tube is connected to the corresponding entry opening. The sealing disks are arranged integrally on the entry side or in the insertion opening.

Das Schalungsgehäuse ist mit an der Eintrittsseite angeordneten Verschlussscheiben, wobei die Verschlussscheiben in den Eintrittsöffnungen angeordnet sind, einteilig ausgebildet. Vorzugsweise wird dies mittels Verbindungsstegen zwischen den Eintrittsöffnungen und den Verschlussscheiben erzielt. Beim Anschliessen eines Schutzrohres an einer Eintrittsöffnung wird die entsprechende Verschlussscheibe durch herausdrücken entfernt und das Schutzrohr kann in den Rohrführungskanal eingezogen werden. Um die Dichtheit zwischen dem eingezogenen Schutzrohr und dem Schalungskasten zu gewährleisten ist in der Eintrittsöffnung eine Abdichtrosette angeordnet. Diese ist vorzugsweise aus einem weichen Kunststoff, welcher sich an den Aussendurchmesser des Schutzrohres anschmiegt um die Dichtheit zu gewährleisten, gebildet. Jeweils die Eintrittsöffnungen wie auch die Verschlussscheiben weisen vorzugsweise alle denselben Durchmesser auf. Dadurch ist ein universelles Anschliessen von diversen Schutzrohren mit unterschiedlichen Durchmessern möglich, wodurch auch nur ein Typ Schalungskasten hergestellt werden muss um die unterschiedlichen Rohrdimensionen abzudecken. Durch die Anordnung der Abdichtrosette in der Eintrittsöffnung werden die unterschiedlichen Durchmesser aufgenommen bzw. überbrückt. Das heisst, wird ein kleinerer Durchmesser eines Schutzrohres eingezogen verbiegt sich die Rosette aus weichem Kunststoff etwas weniger und liegt am Aussendurchmesser des Schutzrohres an, wobei sie sich bei einem grösseren, eingeführten Schutzrohr mehr verbiegt bzw. abbiegt und entsprechend am Aussendurchmesser anliegt.The formwork housing is formed in one piece with closure disks arranged on the inlet side, the closure disks being arranged in the inlet openings. This is preferably achieved by means of connecting webs between the inlet openings and the closure disks. When connecting a protective tube to an inlet opening, the corresponding sealing disc is removed by pushing it out and the protective tube can be drawn into the tube guide channel. In order to ensure the tightness between the retracted protective tube and the formwork box, a sealing rosette is arranged in the inlet opening. This is preferably made of a soft plastic, which clings to the outer diameter of the protective tube to ensure tightness. In each case, the inlet openings and the closure disks preferably all have the same diameter. This is a universal connection of various Protective pipes with different diameters are possible, which means that only one type of formwork box has to be manufactured to cover the different pipe dimensions. The different diameters are accommodated or bridged by the arrangement of the sealing rosette in the inlet opening. This means that if a smaller diameter of a protective tube is drawn in, the rosette made of soft plastic bends slightly less and lies against the outer diameter of the protective tube, whereby with a larger, inserted protective tube it bends or bends more and accordingly bears against the outer diameter.

Eine bevorzugte Ausführungsform besteht darin, dass die Einführungsöffnungen rund ausgebildet sind und die Verschlussscheiben jeweils konzentrisch in den Einführungsöffnungen angeordnet sind, wobei die Verschlussscheiben über Verbindungsstege an der Eintrittsseite bzw. am Innenumfang der Einführungsöffnungen befestigen sind, vorzugsweise sind die Verbindungsstege regelmässig am Umfang der Verschlussscheibe bzw. am Innenumfang der Einführungsöffnung angeordnet. Dadurch bildet sich zwischen dem Aussenumfang der Verbindungsscheibe und dem Innenumfang der Eintrittsöffnung ein segmentartig ringsum verlaufender Spalt. Die Anzahl der Verbindungsstege und der entsprechend dazu gebildeten, segmentartigen Spalten individuell gewählt werden kann, wobei mindestens zwei Verbindungsstege vorzusehen sind. Je mehr Verbindungsstege vorhanden oder auch je massiver die Verbindungsstege ausgebildet sind, desto mehr Druck hält die Verschlussscheibe stand bis sie herausgebrochen wird.A preferred embodiment consists of the insertion openings being round and the closure disks being arranged concentrically in the insertion openings, the closure disks being fastened via connecting webs on the entry side or on the inner circumference of the insertion openings, preferably the connecting webs being regularly on the circumference of the closing disk or arranged on the inner circumference of the insertion opening. As a result, a segment-like circumferential gap is formed between the outer circumference of the connecting disk and the inner circumference of the inlet opening. The number of connecting webs and the segment-like columns formed accordingly can be selected individually, at least two connecting webs being provided. The more connecting webs there are or the more solid the connecting webs are, the more pressure the sealing disc will withstand until it is broken out.

Erfindungsgemäß weist der Schalungskasten an seiner Eintrittsseite eine Dichtungsplattenbaugruppe auf.According to the invention, the formwork box has a sealing plate assembly on its entry side.

Es hat sich als vorteilhaft erwiesen, wenn die Eintrittsseite des Schalungsgehäuses einen ringsum verlaufenden Rahmen aufweist. Der Rahmen ist ebenfalls vorzugsweise integral am Schalungsgehäuse angeordnet bzw. das Schalungsgehäuse ist mit dem Rahmen einteilig ausgebildet. Der Rahmen dient der genauen Ausrichtung bzw. Positionierung der Dichtplattenbaugruppe da diese formschlüssig vom Rahmen umgeben wird und auf der Eintrittsseite des Schalungsgehäuses aufliegt.It has proven to be advantageous if the entry side of the formwork housing has an all-round frame. The frame is also preferably arranged integrally on the formwork housing or the formwork housing is formed in one piece with the frame. The frame is used for the precise alignment or positioning of the sealing plate assembly, since it is positively surrounded by the frame and rests on the entry side of the formwork housing.

Die Erfindung, wie im Anspruch 1 definiert, zeichnet sich auch dadurch aus, dass die Dichtungsplattenbaugruppe eine weiche Dichtmatte und eine harte Deckmatte aufweist, wobei die weiche Dichtmatte im eingebauten Zustand der Dichtungsplattenbaugruppe zwischen der Eintrittsseite des Schalungsgehäuses und der harten Deckmatte angeordnet ist. Es hat sich als vorteilhaft erwiesen, wenn die weiche Dichtmatte einen ringsum verlaufenden Steg aufweist mittels dem die Deckmatte auf der Dichtmatte ausgerichtet bzw. positioniert wird bzw. die weiche Dichtmatte formschlüssig, vorzugsweise durch entsprechend gewinkelte Geometrie der Dichtmatte, um die Deckmatte liegt.The invention, as defined in claim 1, is also characterized in that the sealing plate assembly has a soft sealing mat and a hard cover mat, the soft sealing mat being arranged between the entry side of the formwork housing and the hard cover mat when the sealing plate assembly is installed. It has proven to be advantageous if the soft sealing mat has an all-round ridge by means of which the cover mat is aligned or positioned on the sealing mat, or the soft sealing mat lies in a form-fitting manner, preferably by means of a correspondingly angled geometry of the sealing mat, around the cover mat.

Durch die Anordnung der weichen Dichtmatte um die Kante der harten Deckmatte und das Anbringen auf der Eintrittsseite des Schalungsgehäuses im dafür vorgesehenen Rahmen bringt den Effekt der Selbstjustierung der weichen Dichtmatte mit sich. Das heisst, dass beim Einschieben eines Schutzrohres in die Eintrittsöffnung an der Abdichtrosette mit dem eingeführten Schutzrohr gezogen wird und da die weiche Dichtmatte um die Kanten der Deckmatte liegt wird das Verschieben der Dichtmatte reduziert und durch die Elastizität weicht die Dichtmatte nach den aufgebrachten Kräften während der Montage an ihre Ausgangsposition zurück.The arrangement of the soft sealing mat around the edge of the hard cover mat and the attachment on the entry side of the formwork housing in the frame provided for this brings about the effect of self-adjustment of the soft sealing mat. This means that when a protective tube is inserted into the inlet opening on the sealing rosette, the inserted protective tube is pulled and since the soft sealing mat lies around the edges of the cover mat, the displacement of the sealing mat is reduced and the elasticity of the sealing mat softens according to the forces applied during the Assembly back to their starting position.

Vorzugsweise ist die weiche Dichtmatte aus TPE und die harte Deckmatte aus PP, dadurch wird zwischen den beiden Matten eine leichte klebende Wirkung bzw. eine chem. Adhäsion erzielt wobei auch andere Materialkombinationen möglich sind.The soft sealing mat is preferably made of TPE and the hard cover mat made of PP, as a result of which there is a slight adhesive effect or a chemical between the two mats. Adhesion achieved whereby other material combinations are also possible.

Vorteilhaft ist es wenn die weiche Dichtmatte und die harte Deckmatte zu den Eintrittsöffnungen in der Eintrittsseite konzentrische Öffnungen aufweisen, wobei beim Durchstossen einer Verschlussscheibe und dem Einführen eines Schutzrohrs die Abdichtrosetten in der weichen Dichtmatte angeordnet sind. Das hat den Vorteil, dass nicht um jede einzelne Einführungsöffnung eine separat ausgebildete Dichtscheibe angeordnet werden muss sondern nur eine Dichtmatte mit den darin vorgesehenen Öffnungen wie auch die Vorteile der Ausrichtung die bereits erwähnt wurden.It is advantageous if the soft sealing mat and the hard cover mat have openings which are concentric with the inlet openings on the inlet side, the sealing rosettes being arranged in the soft sealing mat when a sealing disk is pierced and a protective tube is inserted. This has the advantage that a separate sealing washer does not have to be arranged around each individual insertion opening, but only a sealing mat with the openings provided therein, as well as the advantages of the alignment which have already been mentioned.

Zur Befestigung von Verteilern am Schalungskasten bzw. im Schalungsgehäuse sind Befestigungsmittel vorgesehen in die entsprechende Schrauben mit Halterungen eingeschraubt werden können. Da es unterschiedlich dimensionierte Schrauben gibt die dazu verwendet werden können, sind die Befestigungsmittel im Schalungsgehäuse auch für unterschiedliche Durchmesser ausgebildet. Dazu weist das Befestigungsmittel im Schalungsgehäuse zwei unterschiedliche Durchmesser bzw. Innendurchmesser auf, welche vorzugsweise koaxial hintereinander angeordnet sind, jedoch auch exzentrisch zueinander ausgerichtet sein können. Dadurch entsteht eine Art Stufenbohrung in die die entsprechenden Schrauben mit Halterung eingeschraubt werden können. Werden die kleiner dimensionierten Schrauben eingesetzt wird die untere Bohrung verwendet, werden die grösser dimensionierten Bohrungen eingesetzt kommt die obere Bohrung zum Tragen.Fasteners are provided in the corresponding screws with brackets for fastening distributors to the formwork box or in the formwork housing can be screwed in. Since there are screws of different dimensions, the fasteners in the formwork housing are also designed for different diameters. For this purpose, the fastening means in the formwork housing have two different diameters or inner diameters, which are preferably arranged coaxially one behind the other, but can also be aligned eccentrically to one another. This creates a kind of stepped hole into which the corresponding screws with brackets can be screwed. If the smaller-sized screws are used, the lower hole is used, if the larger-sized holes are used, the upper hole is used.

Eine vorteilhafte Ausgestaltung des erfindungsgemässen Schalungskastens hat sich darin gezeigt, dass die Abschlussseite als ebene Fläche ausgebildet ist, welche konzentrisch zu den Rohrführungskanälen Körnungen aufweist. Durch die ebene Fläche und die darin angeordneten Körnungen ist ein Aufbohren der Abschlussseite bei Bedarf durch den Anwender oder bei der Vorfertigung möglich.An advantageous embodiment of the formwork box according to the invention has been shown in that the end face is designed as a flat surface which has grits concentric with the pipe guide channels. Due to the flat surface and the grains arranged in it, the end side can be drilled open if required by the user or during prefabrication.

Der Schalungskasten weist vorzugsweise einen abnehmbaren Rohrhalter zum Transport der Schutzrohre auf um ein Herausfallen oder Verschieben der Schutzrohre auf der Baustelle zu unterbinden. Der Rohrhalter ist vorzugsweise mittels Zentrierkreuze am Schalungsgehäuse positioniert, durch die Form eines Kreuzes wird eine Zentrierung gewährleistet. Vorzugsweise sind die Zentrierkreuze auch konisch ausgebildet, wodurch eine Selbsthemmung des Rohrhalters entsteht und er durch den Anwender gezielt mit Handkraft entnommen werden kann und nicht ohne weiteres abfallen kann.The formwork box preferably has a removable tube holder for transporting the protective tubes in order to prevent the protective tubes from falling out or shifting on the construction site. The pipe holder is preferably positioned on the formwork housing by means of centering crosses; centering is ensured by the shape of a cross. The centering crosses are preferably also conical, as a result of which the tube holder is self-locking and can be removed by the user in a targeted manner by hand and cannot easily fall off.

Ein Ausführungsbeispiel der Erfindung wird anhand der Figuren beschrieben, wobei sich die Erfindung nicht nur auf das Ausführungsbeispiel beschränkt. Es zeigen:

Fig. 1
eine Explosionszeichnung eines erfindungsgemässen Schalungskastens,
Fig. 2
eine Schnittansicht durch einen erfindungsgemässen Schalungskasten,
Fig. 3
eine ISO-Ansicht auf die Eintrittsseite des Schalungsgehäuses ohne Dichtungsplattenbaugruppe und
Fig. 4
einen Querschnitt durch eine Einführungsöffnung, wobei die Verschlussscheibe noch nicht entfernt ist.
An embodiment of the invention is described with reference to the figures, the invention not being limited to the embodiment. Show it:
Fig. 1
an exploded view of a formwork box according to the invention,
Fig. 2
2 shows a sectional view through a formwork box according to the invention,
Fig. 3
an ISO view of the entry side of the formwork housing without a sealing plate assembly and
Fig. 4
a cross section through an insertion opening, wherein the closure disc has not yet been removed.

Die in Fig. 1 dargestellte Zeichnung zeigt einen erfindungsgemässen Schalungskasten 1 zur Befestigung an einer Schalungsplatte um eine Aussparung in zu betonierende Wände und Decken vorzusehen. Der Schalungskasten 1 weist ein Schalungsgehäuse 2 auf, welches vorzugsweise durch Spritzgiessen hergestellt ist. Das Schalungsgehäuse 2 weist eine Eintrittsseite 4, eine Austrittseite 5 und eine Oberseite 21 auf, wobei die Oberseite 21 vorzugsweise der Kontur der einzuziehenden Schutzrohre entspricht und somit wellig bzw. formgetreu ausgebildet ist, wobei auch ein ebener Verlauf der Oberseite denkbar wäre. Die einzuziehenden Schutzrohre (nicht dargestellt) werden entlang der Rohrführungskanäle 3, die sich im Schalungsgehäuse 2 parallel zueinander erstrecken, verlegt. Zur Einführung der Schutzrohre in den Schalungskasten 1 dienen die Eintrittsöffnungen 9, welche aus Fig. 3 gut ersichtlich ist und da die Eintrittsseite 4 des Schalungsgehäuses 2 ohne Dichtungsplattenbaugruppe 12 dargestellt ist. Die Eintrittsöffnung 9 ist noch verschlossen dargestellt da die Verschlussscheibe 8 noch in der Eintrittsöffnung 9 angeordnet ist da diese nur herausgedrückt wird, wenn ein Schutzrohr anzuschliessen ist, ansonsten verbleibt die Verschlussscheibe 8 in der Eintrittsöffnung 9. Die Verschlussscheibe 8 ist integral an der Eintrittsseite 4 angeordnet, das heisst, sie ist direkt in der Eintrittsöffnung 9 angeformt bzw. mittels Verbindungsstege 11 mit dem Innendurchmesser der Eintrittsöffnung 9 und letztlich mit dem Schalungsgehäuse 2 verbunden. Selbstverständlich bezieht sich das auf alle Verschlussscheiben 8 die an der Eintrittsseite 4 bzw. in den Eintrittsöffnungen 9 angeordnet sind. Die integrale Verbindung der Verschlussscheibe 8 mit dem Innendurchmesser der Eintrittsöffnung 9 wird vorzugsweise über Verbindungsstege 11 gelöst, wie bereits erwähnt. Um den Aussenumfang der Verschlussscheiben 8 sind vorzugsweise regelmässig angeordnete Verbindungsstege 11 angeordnet, welche mit dem Innendurchmesser der Eintrittsöffnung 9 verbunden sind, dadurch ergeben sich zwischen den Verbindungsstegen 11 Spalten 10, die konzentrisch um die Verschlussscheibe 8 verlaufen. Die Anzahl der Verbindungsstege 11 und die Breite solcher Stege 11 ist individuell, je mehr Verbindungsstege 11 an der Verschlussscheibe 8 angeordnet sind, desto mehr Druck bzw. Kraft hält die Verschlussscheibe 8 stand bis sie herausgedrückt wird. Das Schalungsgehäuse 2 mit den an der Eintrittsseite 4 angeordneten Eintrittsöffnungen 9 und den darin angeordneten Verschlussscheiben 8 ist einteilig ausgebildet. Auf der Eintrittsseite 4 ist die Dichtungsplattenbaugruppe 12 angeordnet, wobei diese durch den Rahmen 16 an der Eintrittsseite 4 genau positioniert und formschlüssig aufgenommen ist. Die Dichtungsplatte 12 setzt sich aus einer weichen Dichtmatte 13 und einer harten Deckmatte 14 zusammen, wobei die weiche Dichtmatte 13 zwischen der Eintrittsseite 4 des Schalungsgehäuses 2 und der Deckmatte 14, bzw. in Endposition, angeordnet ist. Aus Fig. 4 sind die Schichten der Eintrittsseite 4, der Dichtungsmatte 13 und der Deckmatte 14 ersichtlich, zum Zeitpunkt wenn die Verschlussscheibe 8 noch nicht entfernt wurde. Vorzugsweise kann die Deckmatte 14 Verstrebungen zur Verstärkung aufweisen. Die Dichtungsplattenbaugruppe 12 wird vorzugsweise mittels Schnappverschlüssen an der Eintrittsseite 4 befestigt. Es ist gut zu erkennen, dass die weiche Dichtmatte 13 die Spalten 10 zwischen dem Aussendurchmesser der Verschlussscheibe 8 und dem Innendurchmesser der Eintrittsöffnung 9 überdeckt und somit das Eindringen des Betons verhindert. Die Dichtmatte 13 weist zu den Eintrittsöffnungen 9 konzentrische Öffnungen 17 auf, wie auch die Deckmatte 14 konzentrische Öffnungen 18 aufweist um das Schutzrohr einführen zu können. Wird die Verschlussscheibe 8 dann entfernt, bildet die Abdichtrosette 19 eine Abdichtung zwischen dem eingeführten Schutzrohr und den Schalungsgehäuse 2. Die an der Eintrittsseite 4 angeordneten Eintrittsöffnungen 9 weisen vorzugsweise alle denselben Durchmesser auf sowie auch die Öffnungen 17, 18 der Deck- und Dichtmatte 13, 14 jeweils denselben Durchmesser aufweisen. Als vorteilhaft hat sich erwiesen, wenn die Dichtmatte 13 einen Steg 15 aufweist der die Deckmatte 14 umgibt, in Fig. 4 ist das gut ersichtlich. Das dient neben einer optimalen Abdichtung auch dem Positionieren der Dichtmatte 13 und dem Ausrichten der Öffnungen 17, 18 und der Eintrittsöffnungen 9 zueinander. Zudem justiert sich die Dichtmatte 13 mit Hilfe des Stegs 15 wieder selbst, wenn sie durch den Zug bzw. Kraftaufwand, der durch das Einführen eines Schutzrohres verursacht wurde, verschoben wurde.In the Fig. 1 The drawing shown shows a formwork box 1 according to the invention for fastening to a formwork panel in order to provide a recess in walls and ceilings to be concreted. The formwork box 1 has a formwork housing 2, which is preferably produced by injection molding. The formwork housing 2 has an inlet side 4, an outlet side 5 and an upper side 21, the upper side 21 preferably corresponding to the contour of the protective tubes to be drawn in and thus being wavy or true to shape, a flat course of the upper side also being conceivable. The protective pipes (not shown) to be drawn in are laid along the pipe guide channels 3, which extend parallel to one another in the formwork housing 2. For the introduction of the protective tubes into the formwork box 1, the inlet openings 9 are used Fig. 3 is clearly visible and since the entry side 4 of the formwork housing 2 is shown without a sealing plate assembly 12. The inlet opening 9 is still shown closed since the closure disk 8 is still arranged in the inlet opening 9 since it is only pushed out when a protective tube is to be connected, otherwise the closure disk 8 remains in the inlet opening 9. The closure disk 8 is arranged integrally on the inlet side 4 , that is, it is formed directly in the inlet opening 9 or connected by means of connecting webs 11 to the inside diameter of the inlet opening 9 and ultimately to the formwork housing 2. Of course, this applies to all closure disks 8 which are arranged on the inlet side 4 or in the inlet openings 9. The integral connection of the closure disk 8 with the inner diameter of the inlet opening 9 is preferably released via connecting webs 11, as already mentioned. Regularly arranged connecting webs 11 are preferably arranged around the outer circumference of the closing disks 8, which are connected to the inner diameter of the inlet opening 9. This results in gaps 10 between the connecting webs 11, which run concentrically around the closing disk 8. The number of connecting webs 11 and the width of such webs 11 is individual, the more connecting webs 11 are arranged on the closure disk 8, the more pressure or force the closure disk 8 withstands until it is pushed out. The formwork housing 2 is formed in one piece with the inlet openings 9 arranged on the inlet side 4 and the closure disks 8 arranged therein. On the entry side 4, the sealing plate assembly 12 is arranged, which is precisely positioned by the frame 16 on the entry side 4 and received in a form-fitting manner. The sealing plate 12 is composed of a soft sealing mat 13 and a hard covering mat 14, the soft sealing mat 13 being arranged between the entry side 4 of the formwork housing 2 and the covering mat 14, or in the end position. Out Fig. 4 the layers of the inlet side 4, the sealing mat 13 and the cover mat 14 can be seen at the time when the sealing disk 8 has not yet been removed. The cover mat 14 can preferably have struts for reinforcement. The sealing plate assembly 12 is preferably fastened to the inlet side 4 by means of snap locks. It can be clearly seen that the soft sealing mat 13 covers the gaps 10 between the outer diameter of the closure disk 8 and the inner diameter of the inlet opening 9 and thus prevents the concrete from penetrating. The sealing mat 13 has openings 17 which are concentric with the inlet openings 9, just as the cover mat 14 has openings 18 which are concentric in order to be able to insert the protective tube. If the closure disk 8 is then removed, the sealing rosette 19 forms a seal between the inserted protective tube and the formwork housing 2. The inlet openings 9 arranged on the inlet side 4 preferably all have the same diameter and also the openings 17, 18 of the cover and sealing mat 13, 14 each have the same diameter. It has proven to be advantageous if the sealing mat 13 has a web 15 which surrounds the cover mat 14 in Fig. 4 it’s easy to see. In addition to an optimal seal, this also serves to position the sealing mat 13 and to align the openings 17, 18 and the inlet openings 9 with respect to one another. In addition, the sealing mat 13 adjusts itself again with the aid of the web 15 if it has been displaced by the pull or force that was caused by the insertion of a protective tube.

Um den Schalungskasten 1 auf der Schalungsplatte zu befestigen werden vorzugsweise Nägel 23 eingesetzt, wobei auch andere Befestigungsmittel verwendet werden können, wichtig hierbei ist nur, dass sich die Schalungsplatte beim Ausschalen entfernen lässt ohne den Schalungskasten mitzureissen da der in der Betonwand bzw. Decke zu verbleiben hat.In order to fasten the formwork box 1 to the formwork panel, nails 23 are preferably used, although other fastening means can also be used, the only important thing here is that the formwork panel can be removed when stripping without entraining the formwork panel since it remains in the concrete wall or ceiling Has.

Um Verteiler, an welchen die Schutzrohre befestigt werden im Schalungskasten 1 zu befestigen weist das Schutzgehäuse 2 Befestigungsmittel 6 auf. Diese sind als eine Art zweistufige Dübel ausgebildet. In der Regel werden Schrauben mit Halterungen zur Befestigung der Verteiler vorgesehen. Da diese Schrauben nicht standardisiert sind können unterschiedliche Schraubendurchmesser eingesetzt werden, deshalb ist das Befestigungsmittel 6 zweistufig ausgebildet, das heisst, dass die Befestigungsmittel 6 mindestens zwei koaxial nacheinander angeordnete zylinderförmige Bohrungen aufweisen. Die obere Bohrung im Befestigungsmittel 6 weist einen grösseren Durchmesser auf und dient der Aufnahme grösserer Schrauben zur Befestigung von Verteilern. Die tiefer angeordnete Bohrung hat einen geringeren Durchmesser und dient dem Anschrauben von kleiner dimensionierten Schrauben.In order to fasten distributors to which the protective tubes are fastened in the formwork box 1, the protective housing 2 has fastening means 6. These are designed as a kind of two-stage dowel. As a rule, screws with brackets are provided for fastening the distributors. Since these screws are not standardized, different screw diameters can be used, which is why the fastening means 6 is designed in two stages, that is to say that the fastening means 6 have at least two cylindrical bores arranged one after the other. The upper bore in the fastening means 6 has a larger diameter and serves to accommodate larger screws for fastening distributors. The deeper hole has a smaller diameter and is used to screw on smaller screws.

In Figur 1 ist die Rohrhalterung 7 ersichtlich, wobei diese nur zur Vorpositionierung bei der Montage dient, damit die Schutzrohre nicht aus ihren Rohrführungskanälen 3 treten können. Nach Aushärten des Beton und der darauffolgenden Demontage der Schalung, wird der Rohrhalter zur Zugänglichkeit der Schutzrohre und zum weiteren Anschliessen eines Verteilers entfernt. Die Positionskreuze 22 sind derart ausgelegt, dass die Rohrhalterung 7 als Transportsicherung und zum Stabilisieren der Baugruppe bis nach der Montage auf der Baustelle, dem Aushärten sowie der anschliessenden Demontage der Schalung durch den Anwender dient. Durch einfache Handkraftbetätigung kann die Rohrhalterung 7 herausgenommen werden, um die Anschlussarbeiten durchführen zu können. Für eine genaue und einfache Positionierung des Rohrhalters 7 dienen die Positionierkreuze 22, welche in den entsprechenden Bohrungen am Schalungsgehäuse 2 aufgenommen werden. Vorzugsweise sind die Positionierkreuze 22 konisch ausgebildet was eine Selbsthemmung bewirkt und der Rohrhalter 7 nicht ohne weiteres Zutun vom Schalungsgehäuse 2 abfällt.In Figure 1 the pipe holder 7 can be seen, this serving only for pre-positioning during assembly, so that the protective pipes cannot come out of their pipe guide channels 3. After the concrete has hardened and the formwork has to be dismantled, the pipe holder is removed to make the protective pipes accessible and to connect a distributor further. The position crosses 22 are designed in such a way that the pipe holder 7 serves as a transport lock and for stabilizing the assembly until after assembly on the construction site, curing and subsequent dismantling of the formwork by the user. The tube holder 7 can be removed by simple manual force actuation in order to be able to carry out the connection work. The positioning crosses 22, which are received in the corresponding bores on the formwork housing 2, serve for an exact and simple positioning of the pipe holder 7. The positioning crosses 22 are preferably conical, which causes self-locking and the tube holder 7 does not fall off the formwork housing 2 without further action.

An der Abschlussseite 5 des Schalungsgehäuses 2, welche vorzugsweise als ebene Fläche ohne Abstufungen ausgebildet ist, sind Körnungen 20 angeordnet. Diese dienen dem möglichen Vorsehen von Bohrungen resp. Öffnungen um bei Bedarf das Schutzrohr durch den Schalungskasten 1 hindurchzuführen um eine Abpressprüfung auch vordem Betonieren, einfach gewährleisten zu können.Grains 20 are arranged on the end side 5 of the formwork housing 2, which is preferably designed as a flat surface without gradations. These serve the possible provision of holes or. Openings around if necessary Pass the protective tube through the formwork box 1 to be able to easily guarantee a pressing test even before concreting.

BezugszeichenlisteReference symbol list

11
SchalungskastenFormwork box
22nd
SchalungsgehäuseFormwork housing
33rd
RohrführungskanalPipe guide channel
44th
EintrittsseiteEntry page
55
AbschlussseiteFinal side
66
BefestigungsmittelFasteners
77
RohrhalterPipe holder
88th
VerschlussscheibeLocking disc
99
EintrittsöffnungEntrance opening
1010th
Spaltgap
1111
VerbindungsstegConnecting bridge
1212
DichtungsplattenbaugruppeSeal plate assembly
1313
Weiche DichtmatteSoft sealing mat
1414
Harte DeckmatteHard cover mat
1515
Steg, weiche DichtmatteBridge, soft sealing mat
1616
Rahmen, EintrittsseiteFrame, entry side
1717th
Öffnung in weicher DichtmatteOpening in a soft sealing mat
1818th
Öffnung in harter DeckmatteOpening in a hard cover mat
1919th
AbdichtrosetteSealing rosette
2020th
KörnungGrit
2121st
OberseiteTop
2222
PositionskreuzPosition cross
2323
NägelNails

Claims (9)

  1. Formwork box (1) for fastening to a formwork panel in order to provide a cutout in walls or ceilings to be concreted, comprising a formwork housing (2), wherein the formwork housing (2) has pipe-guiding channels (3), wherein the pipe-guiding channels (3) are used for guiding introduced protective pipes, wherein the formwork housing (2) has an inlet side (4) and a termination side (5) and is of one-part configuration, wherein the inlet side (4) has inlet openings (9) for the introduction of the protective pipes, wherein the inlet openings (9) have sealing rosettes (19) for ensuring the tightness between the formwork housing (2) and the introduced protective pipe, characterized in that the introduction openings (9) are closed by closure discs (8), wherein the closure discs (8) are arranged integrally on the inlet side (4) and the formwork housing (2) is of one-part configuration with the closure discs (8) which are arranged on the inlet side (4), and in that a seal plate assembly (12) is arranged on the inlet side (4), wherein the seal plate assembly (12) has a soft sealing mat (13) and a hard cover mat (14), wherein the soft sealing mat (13) is arranged between the inlet side (4) of the formwork housing (2) and the hard cover mat (14).
  2. Formwork box (1) according to Claim 1, characterized in that the introduction openings (9) which are arranged on the inlet side (4) have identical diameters.
  3. Formwork box (1) according to Claim 1, characterized in that the introduction openings (9) are preferably of round configuration so as to correspond to the geometry of the protective pipes to be introduced, and the closure discs (8) are arranged in each case centrally, preferably concentrically, in the introduction openings (9), wherein the closure discs (8) are fastened to the inlet side (4) by way of connecting webs (11), the connecting webs (11) being preferably arranged on the circumference of the closure disc (8) or on the inner circumference of the introduction opening (9), preferably at a regular spacing from each other.
  4. Formwork box (1) according to Claim 3, characterized in that the inlet side (4) has a frame (16) which extends all the way around it and which surrounds the seal plate assembly (12) in the end position.
  5. Formwork box (1) according to Claim 4, characterized in that the soft sealing mat (13) has a web (15) which extends all the way around it and by means of which the cover mat (14) is oriented or positioned on the sealing mat (13).
  6. Formwork box (1) according to either of Claims 4 and 5, characterized in that the soft sealing mat (13) and the hard cover mat (14) have openings (17, 18) which are concentric with respect to the inlet openings (9), wherein, when the closure discs (8) are penetrated and thus removed, the sealing rosettes (19) in the soft sealing mat (13) are exposed.
  7. Formwork box (1) according to Claim 1, characterized in that the formwork housing (2) has fastening means (6) for different diameters, wherein the fastening means (6) have at least two bores which are arranged coaxially or eccentrically in succession and which have different diameters, wherein the fastening means (6) are used for the fastening of distributors to which the protective pipes are fastened.
  8. Formwork box (1) according to Claim 1, characterized in that the termination side (5) is configured as a flat surface which has grains (20) which are concentric with respect to the pipe-guiding channels (3), wherein the grains are used for a possible provision of bores.
  9. Formwork box according to Claim 1, characterized in that the formwork box (1) has a removable pipe holder (7), wherein the pipe holder (7) is preferably positioned on the formwork housing (2) by means of centring crosses (22).
EP17160706.2A 2017-03-14 2017-03-14 Formwork case Active EP3388596B1 (en)

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Application Number Priority Date Filing Date Title
EP17160706.2A EP3388596B1 (en) 2017-03-14 2017-03-14 Formwork case

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EP3388596A1 EP3388596A1 (en) 2018-10-17
EP3388596B1 true EP3388596B1 (en) 2020-06-24

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ID=58358360

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666320A5 (en) 1986-03-21 1988-07-15 Fawa Ag FORMWORK BOX.
CH686452A5 (en) 1992-08-27 1996-03-29 Nussbaum & Co Ag R Device as Einleglehre.
ATE545750T1 (en) 2008-12-05 2012-03-15 Geberit Int Ag FORMWORK BOX
CH710388A2 (en) * 2014-11-17 2016-05-31 Agro Ag Tube insertion for a flush-mounted socket.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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